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    What were you trying to prove to the police ?

    ----_______ I was last night.

    A．What .

    B．Where .

    C．That

    D．When.

     

    【答案】

    B

    【解析】考查省略句，该句为省略句式，完整的是I was trying to prove to the police where I was last night.

     

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